Tool storage stool



FIG. 1 is a top perspective view with the lid slightly displaced for a tool storage stool showing my new design;

FIG. 2 is a front side view with the lid slightly displaced thereof;

FIG. 3 is a back side view thereof;

FIG. 4 is a top side view thereof;

FIG. 5 is a bottom side view thereof;

FIG. 6 is a left side view with the lid slightly displaced thereof;

FIG. 7 is a right side view thereof;

FIG. 8 is an underside perspective view thereof;

FIG. 9 is a side sectional view taken along lines 9-9 from FIG. 3 thereof; and,

FIG. 10 is a side sectional view taken along lines 10-10 from FIG. 3. 

CLAIM The ornamental design for a tool storage stool, as shown and described. 